Appendix C. Nonsignificant relationships from statistical models and Kendall's tau correlation tests.
Lifeform measures that exhibited no significant relationship with any explanatory variables (P > 0.05) from statistical models and Kendall’s tau correlation tests (†) were Annual forb richness†, Perennial grass richness, Perennial forb richness†, Annual forb abundance†, Perennial grass abundance†, Perennial forb abundance (small scale) †, Annual species abundance (small scale) †, Perennial species abundance (small scale) †. Species that exhibited no significant relationship with any explanatory variables are listed with their frequency. Annual grass (AG): Enneapogon polyphyllus† (29), Urochloa subquadripara† (14); Annual forb (AF): Chamaesyce sp. (Pathungra A. Gunness AG 2118) †(30), Cleome viscosa†(59), Indigofera linifolia† (12), Indigofera linnaei†(20), Ptilotus sessilifolius† (12), Salsola tragus (29), Trianthema triquetra† (28); Perennial grass (PG): Eriachne aristidea†(22); Perennial forb (PF): Abutilon otocarpum/ A. fraseri†(18), Boerhavia pubescens/ B. repleta† (48), Sclerolaena birchii† (21), Sclerolaena diacantha† (15) and Sida fibulifera† (18).